ESSER, Josef [Germany]

1956. Grundsatz und Norm in der rechterlichen Fortbildung des Privatrechts: rechtsvergleichende Beiträge zur Rechtsquellen- und Interpretationslehre [Principle and Norm in the Judicial Development of Private Law: A Comparative Inquiry into the Problems of the Sources of Law and Their Interpretation - in German], J.C.B. Mohr/Paul Siebeck (1956) 394 p.